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PDF EM78805C Data sheet ( Hoja de datos )
| Número de pieza | EM78805C | |
| Descripción | 8-BIT MICRO-CONTROLLER | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EM78805C (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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EM78805C
8-BIT MICRO-CONTROLLER
Version 2.1
ELAN MICROELECTRONICS CORP.
No. 12, Innovation 1st RD., Science-Based Industrial Park
Hsin Chu City, Taiwan
TEL: (03) 5639977
FAX: (03)5630118
1 page  
IV. Pin Configuration
EM78805C
8-bit Micro-controller
NC
NC
XIN
XOUT
VDD
P65
P64
P63
P62
P61
P60
COM7
COM6
COM5
COM4
COM3
NC
NC
COM2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
51 P97
50 NC
49 P96
48 SEG23/P57
47 SEG22/P56
46 SEG21/P55
45 SEG20/P54
44 SEG19/P83
43 SEG18/P82
42 SEG17/P81
41 SEG16/P80
40 SEG15
39 SEG14
38 SEG13
37 SEG12
36 SEG11
35 SEG10
34 NC
33 SEG9
58-pin die or 64-pin QFP
Fig.1 Pin Assignment
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to change without notice.
2 10/08/2004 (V2.1)
5 Page 
EM78805C
8-bit Micro-controller
R6 (PORT6 I/O data)
765432
x x P65 P64 P63 P62
Bit 0 ~ Bit 5 (P60 ~ P65) : 6-bit PORT6(0~5) I/O data register
User can use IOC register to define input or output each bit.
Bit 6 ~ Bit 7 : unused
1
P61
0
P60
R7 (PORT7 I/O data)
765432
P77 P76
x
x P73 P72
Bit 0 ~ Bit 3 (P70 ~ P73) : 4-bit PORT7(0~3) I/O data register
Bit 4 ~ Bit 5 : unused
Bit 6 ~ Bit 7 (P76 ~ P77) : 2-bit PORT7(6~7) I/O data register
User can use IOC register to define input or output each bit.
1
P71
0
P70
R8 (PORT8 I/O data)
765432
x x x x P83 P82
Bit 0 ~ Bit 3 (P80 ~ P83) : 4-bit PORT8(0~3) I/O data register
User can use IOC register to define input or output each bit.
Bit 4 ~ Bit 7 : unused
1
P81
0
P80
R9 (PORT9 I/O data)
765432
P97 P96
x
x
x
x
Bit 0 ~ Bit 5 : unused
Bit 6 ~ Bit 7 (P96 ~ P97) : 2-bit PORT9(6~7) I/O data register
User can use IOC register to define input or output each bit.
1
x
0
x
RA (CPU power saving, PLL, Main clock selection)
7 654 3 210
x ENPLL CLK2 CLK1 x
xxx
Bit 0 ~ Bit 3 : unused
Bit 4 ~ 5 (CLK1 ~ CLK2) : Main clock selection bits.
User can choose the main clock by setting CLK1 and CLK2. All the clock selections are list below.
(CLK2,CLK1) MAIN clock
/358E
CPU’s clock
(0,0) 447.8293kHz 1 447.8293kHz
(0,1) 895.6587kHz 1 895.6587kHz
(1,0) 7.1653MHz 1 7.1653MHz
(1,1) 3.5826MHz 1 3.5826MHz
(0,0) X 0 32768HZ
(0,1) X 0 32768HZ
(1,0) X 0 32768HZ
(1,1) X 0 32768HZ
Bit 6 (ENPLL) : (read/write) PLL enable/disable control
1/0 Î enable/disable
The relation between 32.768kHz and main clock can see Fig.5
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to change without notice.
8 10/08/2004 (V2.1)
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet EM78805C.PDF ] | |
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